#app {
  width: 100%;
  height: 100vh;
  display: flex;
  // 水平布局：居中
  justify-content: center; 
  // 垂直布局：居中
  align-items: center;
  flex-wrap: wrap;
}

.card {
  min-width: 200px;
  height: 280px;
  margin: 10px;

  .card-header {
    span {
      vertical-align: middle;
    }

    .name {
      height: 50px;
      line-height: 50px;
      margin-left: 10px;
    }
  }

}
.addBtn{
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 80px;
}
.icon{
  height: 25px;
}